package com.woniuxy02;

import java.util.Arrays;

/**
 * @author 作者
 * @create 2025-07-18 15:03
 */
public class Test02 {
    public static void main(String[] args) {
        int[] a = {1,31,24,5,6};
        int[][] b={{1,2,3},{4,5,6},{7,8,9}};
        System.out.println(b[0][0]);
        System.out.println(b[0][2]);
        System.out.println(b[2][2]);
    }
}
